140400103031 has 4 divisors (see below), whose sum is σ = 140918184864. Its totient is φ = 139882021200.

The previous prime is 140400103021. The next prime is 140400103093. The reversal of 140400103031 is 130301004041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140400103031 - 2⁶ = 140400102967 is a prime.

It is a super-2 number, since 2×140400103031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140400103021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259040510 + ... + 259041051.

It is an arithmetic number, because the mean of its divisors is an integer number (35229546216).

Almost surely, 2^140400103031 is an apocalyptic number.

140400103031 is a deficient number, since it is larger than the sum of its proper divisors (518081833).

140400103031 is an equidigital number, since it uses as much as digits as its factorization.

140400103031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518081832.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 140400103031 its reverse (130301004041), we get a palindrome (270701107072).

The spelling of 140400103031 in words is "one hundred forty billion, four hundred million, one hundred three thousand, thirty-one".